Choose the command which allow to: 1. Create the directories: Computers and SW in the same command (/0.5pts) a. $mkdir /home/Student/Computers/SW b. $mkdir -p /home/Student/Computers/SW c. $mkdir /home/Student/Computers SW d. $mkdir Computers/SW 2. Create the directory Programs (..../0.5pts) a. $mkdir /home/Student/Computers/SW/Programs b. $mkdir -p /home/Student/Computers/SW/Programs c. $mkdir SW/Programs d. $mkdir Computers/SW/Programs 3. Create the directory devices (...../0.5) a. $mkdir /home/Student/Computers/SW/Programs/devices b. $mkdir -p /home/Student/Computers/SW/devices c. $mkdir /home/Student/Computers/SW/devices d. $mkdir devices 4. Create the folder HW (...../0.5) a. $mkdir /home/Student/Computers/SW/HW b. $mkdir /home/Student/Computers/HW c. $mkdir -p /home/Student/Computers/HW d. $mkdir HW 5. Create the file Mouse (../0.5pts) a. $mkdir /home/Student/Computers/SW/devices/Mouse b. $touch /home/Student/Computers/SW/Programs/Mouse c. $touch /home/Student/Computers/SW/devices/Mouse d. $touch -p/home/Student/Computers/SW/devices/Mouse 6. Create the file Antivirus (../0.5pts) a. $mkdir /home/Student/Computers/SW/Programs/Antivirus b. $touch /home/Student/Computers/SW/Programs/Antivirus c. $more /home/Student/Computers/SW/Programs/Antivirus d. $cat /home/Student/Computers/SW/Programs/Antivirus
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The adaptive immune system uses multiple strategies to generate diversity in our ability to mount immune responses. This includes the generation of diverse B-cell and T-cell receptors through DNA rearrangements in the MHC genes. These rearrangements involve multiple gene segments in the MHC locus and can result in transplantation rejection responses. These responses occur after organ transplantation between unrelated individuals and result in a diverse repertoire of receptors that are distributed globally rather than within a single individual. It requires different enzymes than the RAG1 and RAG2 recombinases required for antigen receptor rearrangements. The immunological consequence of severe combined immunodeficiency (SCID) caused by a mutation in either the RAG1 or RAG2 gene is the inability to mount adaptive immune responses. This is characterized by a lack of functional T-cell and B-cell receptors and immunoglobulin loci. Patients with this defect have abnormal levels of MHC molecules on their cell surface but do not have impaired immune responses to pathogens. The question asks which of the following statements are correct or invalid about MHC molecules. MHC molecules include polymorphic regions, beta-2 microglobulin, and MHC class II molecules. They can bind peptides but are not restricted to a particular antigen. The basic principle of cellular immunity is MHC restriction, which means that T-cell receptors can only recognize antigens presented by MHC molecules. Different individuals can have different MHC alleles, which allows for a diverse range of antigen presentation.
Adi S.
Create a Bourne shell script. The script should do the following: Explain what the script will do and who the author is in a comment area. cd to your home directory. Show your current working directory. List the contents of the current directory. Create the directory structure and create the files as defined in the previous Individual Project. For each directory and file, test to see if the file or directory already exists; if it does exist, do not recreate; if it is missing, create it. In the end, generate a directory listing showing the structure and content of the new directories. At the beginning of the script, set a variable called INSTALL_DIRECTORY that will contain the location of the directory into which the Web server will be installed. At the end of the script, display the contents of this variable along with a message to the installer about the location in which the directories were created. A small hint for creating the content of the httpd.conf file: use the echo command in your script. The script is not interactive and should create all objects automatically. Also, the ServerRoot and DocumentRoot should contain correct values based on your directory names. If you need to test whether directories are created or not based on them already existing, remove files and directories ahead of time to ensure you know the exact state of your environment.
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Question 15 Ali must grant access to any individual or group he wants to allow access to the files he owns. Which access control type is in use in Ali's organization? Discretionary Access Control (DAC) Mandatory Access Control (MAC) Hierarchical Access Control (HAC) Role-Based Access Control (RBAC) Question 16 A Windows 10 user has 10 files with exactly the same name. Which statement must be true for these files? The files may be on the same hard drive but must be in different partitions The files must be in different directories. The files may be in the same directory. The files must be on different hard drives. Question 17 Which three (3) permissions can be set on a file in Linux? (Select 3) run view read write modify execute Question 18 If cost is the primary concern, which type of cloud should be considered first? Hybrid cloud Universal cloud Private cloud Public cloud Question 19 Consolidating and virtualizing workloads should be done when? It does not matter; these steps require approximately the same amount of work no matter when you elect to do them. After moving the workloads to the cloud but before they are open to users. Gradually as you generate usage metrics. Before moving the workloads to the cloud. Question 20 Which of the following is a self-regulating standard set up by the credit card industry in the US? PCI-DSS GDPR HIPAA NIST 800-53A ISO27000 series Question 21 Which two (2) of the following attack types target endpoints? SQL Injection Spear Phishing Denial of Service (DoS) Ad Network
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